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Finding the Fourth Proportional to 9,472.64, 14,208.95 and 2,547.14

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Solution

The fourth proportional to 9,472.64, 14,208.95 and 2,547.14 is: 3,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,472.64 : 14,208.95 = 2,547.14 : x
  2. Step 2: Convert to fraction form
    9,472.64/14,208.95 = 2,547.14/x
  3. Step 3: Cross multiply
    9,472.64x = 14,208.95 × 2,547.14
  4. Step 4: Simplify right side
    9,472.64x = 36,192,120.23
  5. Step 5: Solve for x
    x = 36,192,120.23/9,472.64
  6. Step 6: Final answer
    x = 3,820.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.